Presario 1200 Series

Models: XL101-XL113, XL115, XL118-XL127

Code

Beeps

POST Routine Description

81h

82h

83h

84h

85h

86h

87h

88h

89h

8Ah

8Bh

8Ch

81h

90h

91h

92h

93h

95h

96h

97h

98h

99h

9Ah

9Ch

9Dh

9Eh

9Fh

A0h

A2h

A4h

Detect and install external RS232 ports Configure non-MCD IDE controllers

Detect and install external parallel ports Initialize PC-compatible PnP ISA devices

Reinitialize onboard I/O ports

Configure Motherboard Configurable Devices (optional) Initialize BIOS Data Area

Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area

Test and initialize PS/2 mouse

Initialize floppy controller

Determine number of ATA drives (optional) Initialize hard disk controllers

Initialize local-bus hard disk controllers Jump to UserPatch2

Build MPTABLE for multi-processor boards Install CD ROM or DVD Drive for boot

Clear huge ES segment register

Fixup Multi Processor table

Search for option ROMs. One long, two short beeps on checksum failure

Check for SMART drive (optional)

Shadow option ROMs

Set up Power Management

Initialize security engine (optional)

Enable hardware interrupts

Determine number of ATA and SCSI drives Set time of day

Check key lock

Initialize Typematic rate

Erase F2 prompt

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES

TROUBLESHOOTING 37

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Compaq XL118-XL127, XL115, XL101-XL113 manual Presario 1200 Series

XL101-XL113, XL115, XL118-XL127 specifications

The Compaq XL series of monitors, including models XL101 through XL127, represents a significant era in display technology, offering a blend of performance and functionality to meet diverse user needs. Launched in the late 1990s and early 2000s, these monitors were designed primarily for business and professional use, providing reliable, high-quality visual output.

One of the standout features of the Compaq XL series is their size and resolution capabilities. Models such as the XL118 and XL127 typically feature larger screen sizes, which enhance the viewing experience for multitasking and detail-oriented tasks. With resolutions advancing in the series, users could enjoy clearer text and vibrant images, making them ideal for applications ranging from graphic design to data analysis.

Technology-wise, Compaq equipped these monitors with advanced CRT (Cathode Ray Tube) displays. While CRT technology is considered outdated today, during the time of its release, it offered excellent color reproduction and contrast ratios, contributing to an overall immersive viewing experience. The XL series monitors also featured anti-glare screens, which minimized reflections and made them more suitable for brightly lit office environments.

In terms of connectivity, the XL series provided a variety of input options, enabling seamless integration with various computers and peripherals. Standard VGA connections were common, ensuring compatibility with most desktop systems of the time. Additionally, some models offered advanced features such as adjustable refresh rates, allowing users to optimize their display settings for smoother motion during video playback or gaming.

Another characteristic of the Compaq XL series was the ergonomic design of the monitors. Many models included height and tilt adjustments, ensuring comfortable viewing angles that could reduce eye strain during extended use. The sleek styling complemented modern office setups, making the XL series not only functional but also aesthetically pleasing.

Finally, these monitors were built with durability in mind. Compaq's reputation for quality hardware ensured that the XL series could withstand the rigors of daily use in demanding environments. Overall, the Compaq XL118-XL127 and XL101-XL113 models provided a solid foundation for many users, balancing performance, reliability, and user-friendly features that defined a generation of computer monitors.